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PS501

Status: End of Life

Features:

  • Single chip solution for rechargeable battery management
  • Footprint compatible with PS401
  • Embedded PowerSmart® patented algorithms contained in customizable on-chip 16-Kbyte Flash memory
  • User configurable and “learned” parameters stored in on-chip 256 x 8 EEPROM
  • Algorithms and parameters fully field reprogrammable via SMBus interface
  • Integrated precision silicon time base
  • On-chip regulator generates precision digital and analog supply voltages directly from pack voltage
  • Flexible power operating modes: - Run: Continuous operation - Sample: Periodic measurements at programmable intervals - Sleep: Shutdown mode due to low voltage.Power consumption less than 25 µA. - Shelf-Sleep: Shuts off PS501 power consumption for pack storage with automatic wake-up on pack insertion. Power consumption is less than 1 µA.
  • Integrated Reset Control - Power-on Reset - Watchdog Timer Reset - Brown-out Detection Reset
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Device Overview

Summary

The PS501 combines a high-performance, low-power Microchip PIC18 microcontroller core together with proprietary monitoring/control algorithms and 3D cell models stored in 16 Kbytes of on-chip reprogrammable Flash memory. Analog resources include a 16-bit sigma-delta integrating A/D and mixed signal circuitry for precision measurement of battery current, temperature and voltage. On-chip EEPROM is provided for storage of user customizable and “learned” battery parameters. An industry standard 2-wire SMBus interface supports host communication using standard SBData commands and status. Additional integrated features include a high accuracy on-chip oscillator and temperature sensor. Twelve general purpose pins support charge or safety control or user programmable digital I/O. Eight of them can be used as LED drivers and two are open drain for direct FET drive.

Additional Features
  • Single chip solution for rechargeable battery management
  • Footprint compatible with PS401
  • Embedded PowerSmart® patented algorithms contained in customizable on-chip 16-Kbyte Flash memory
  • User configurable and “learned” parameters stored in on-chip 256 x 8 EEPROM
  • Algorithms and parameters fully field reprogrammable via SMBus interface
  • Integrated precision silicon time base
  • On-chip regulator generates precision digital and analog supply voltages directly from pack voltage
  • Flexible power operating modes:- Run: Continuous operation- Sample: Periodic measurements at programmable intervals- Sleep: Shutdown mode due to low voltage.Power consumption less than 25 µA.- Shelf-Sleep: Shuts off PS501 power consumption for pack storage with automatic wake-up on pack insertion. Power consumption is less than 1 µA.
  • Integrated Reset Control- Power-on Reset- Watchdog Timer Reset- Brown-out Detection Reset

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Software

12/16/2005
2935KB

Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
ATSTK600 Kit
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A complete starter kit and development system for the 8-bit and 32-bit AVR microcontrollers that gives designers a quick start to develop code on the AVR, with advanced features for prototyping and testing new designs.

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